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| Italian | English |
| foro cieco | blind via (A copper-plated hole in a printed circuit board that does not extend all the way thru a PCB. This prevents probing a component's signal pin by removing access to the via on the opposite side of the board) |
| foro interrato | buried via (A copper plated hole that interconnects one or more internal layers, but does not connect to an external layer, hence the hole is completely internal or buried within the board) |